<!DOCTYPE html>
<head>
</head>
<body>
  This page has three iframes: one is cross-site, the others are same-site.
  <iframe name="frame1" src="/cross-site/b.com/title1.html"></iframe>
  <iframe name="frame2" src="/title1.html"></iframe>
  <iframe name="frame3" src="/post_message.html"></iframe>
</body>
</html>

